Walter E. Reed, David N. Douglass, Donald L. Lamar. Devonian Old Red Sandstone sedimentation and tectonic history of Billefjorden fault zone, Spitsbergen. njg [Internet]. 1987Jan.1 [cited 2026Apr.5];:191-9. Available from: https://njgjournal.nl/index.php/njg/article/view/13104